:root {
  --azul: #0b2a4a;
  --azul-2: #1f6fd1;
  --ambar: #ffb02e;
  --ambar-oscuro: #b36b00;
  --texto: #1b2433;
  --suave: #5a6577;
  --fondo: #ffffff;
  --fondo-2: #f3f6fb;
  --borde: #dde4ef;
  --radio: 14px;
  --sombra: 0 10px 30px rgba(11, 42, 74, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul-2); }
h1, h2, h3 { line-height: 1.2; color: var(--azul); margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.contenedor { width: min(1120px, 100% - 32px); margin-inline: auto; }
.seccion { padding: 72px 0; }
.seccion.gris { background: var(--fondo-2); }
.seccion .intro { max-width: 680px; margin-bottom: 40px; color: var(--suave); font-size: 1.1rem; }
.etiqueta { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ambar-oscuro); margin-bottom: 10px; }

/* Cabecera */
.cabecera { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--borde); }
.cabecera .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--azul); font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.marca img { width: 34px; height: 34px; }
.marca span em { font-style: normal; color: var(--azul-2); }
.menu { display: flex; align-items: center; gap: 4px; }
.menu a { text-decoration: none; color: var(--texto); padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: .95rem; }
.menu a:hover { background: var(--fondo-2); }
.menu a.activa { color: var(--azul-2); font-weight: 700; }
.menu a.boton { background: var(--azul); color: #fff; margin-left: 6px; }
.menu a.boton:hover { background: var(--azul-2); }
.hamburguesa { display: none; background: none; border: 1px solid var(--borde); border-radius: 8px; padding: 8px 12px; font-size: 1rem; cursor: pointer; color: var(--azul); }

/* Botones */
.botones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn { display: inline-block; padding: 13px 24px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 2px solid transparent; font-size: 1rem; cursor: pointer; font-family: inherit; }
.btn.principal { background: var(--ambar); color: #3a2400; }
.btn.principal:hover { background: #ffc258; }
.btn.secundario { border-color: rgba(255,255,255,.55); color: #fff; }
.btn.secundario:hover { background: rgba(255,255,255,.12); }
.btn.oscuro { background: var(--azul); color: #fff; }
.btn.oscuro:hover { background: var(--azul-2); }
.btn.borde { border-color: var(--azul); color: var(--azul); }
.btn.borde:hover { background: var(--azul); color: #fff; }

/* Portada */
.portada { background: radial-gradient(1200px 500px at 85% -10%, #1f6fd1 0%, transparent 60%), linear-gradient(160deg, #0b2a4a 0%, #0a1d35 100%); color: #fff; padding: 80px 0 0; overflow: hidden; }
.portada h1 { color: #fff; max-width: 780px; }
.portada h1 em { font-style: normal; color: var(--ambar); }
.portada p.lead { font-size: 1.2rem; max-width: 640px; color: #cfdcf0; }
.portada .captura { margin-top: 56px; border-radius: 14px 14px 0 0; box-shadow: 0 -10px 60px rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.15); border-bottom: 0; }
.portada.simple { padding: 64px 0; }
.portada .dos { align-items: center; }
.portada .logo-producto { max-width: 240px; width: 100%; margin-inline: auto; border-radius: 20px; background: #fff; box-shadow: var(--sombra); border: 0; }
.tarjeta .logo-tarjeta { height: 84px; width: auto; border-radius: 12px; margin-bottom: 14px; border: 0; box-shadow: none; }
.portada.simple p.lead { margin-bottom: 0; }

/* Rejillas y tarjetas */
.rejilla { display: grid; gap: 22px; }
.rejilla.c2 { grid-template-columns: repeat(2, 1fr); }
.rejilla.c3 { grid-template-columns: repeat(3, 1fr); }
.rejilla.c4 { grid-template-columns: repeat(4, 1fr); }
.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 26px; }
.gris .tarjeta { border-color: transparent; box-shadow: 0 2px 10px rgba(11, 42, 74, .06); }
.tarjeta h3 { margin-bottom: .4em; }
.tarjeta p:last-child { margin-bottom: 0; }
.tarjeta .icono { width: 44px; height: 44px; border-radius: 12px; background: #e6f0fd; color: var(--azul-2); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 14px; }
.tarjeta p, .tarjeta li { color: var(--suave); }
.tarjeta a.mas { display: inline-block; margin-top: 12px; font-weight: 700; text-decoration: none; }
.tarjeta a.mas::after { content: " →"; }

/* Dos columnas con imagen */
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.dos.inversa > :first-child { order: 2; }
.dos img { border-radius: var(--radio); border: 1px solid var(--borde); box-shadow: var(--sombra); }
.dos img.movil { max-width: 300px; margin-inline: auto; }
.dos ul, .lista { padding: 0; margin: 0 0 1em; list-style: none; }
.dos li, .lista li { padding-left: 28px; position: relative; margin-bottom: .55em; }
.dos li::before, .lista li::before { content: "✓"; position: absolute; left: 0; color: var(--azul-2); font-weight: 800; }

/* Cifras */
.cifras { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
.cifras strong { display: block; font-size: 2.2rem; color: var(--azul-2); letter-spacing: -.02em; }
.cifras span { color: var(--suave); font-size: .95rem; }

/* Llamada final */
.llamada { background: linear-gradient(160deg, #0b2a4a, #123e6e); color: #fff; text-align: center; padding: 64px 0; }
.llamada h2 { color: #fff; }
.llamada p { color: #cfdcf0; max-width: 560px; margin-inline: auto; }
.llamada .botones { justify-content: center; }

/* Formulario */
.formulario { display: grid; gap: 16px; max-width: 640px; }
.formulario label { font-weight: 600; font-size: .95rem; display: block; margin-bottom: 4px; }
.formulario input[type=text], .formulario input[type=email], .formulario input[type=tel], .formulario select, .formulario textarea {
  width: 100%; padding: 12px 14px; border: 1px solid #b9c5d8; border-radius: 10px; font: inherit; background: #fff; color: var(--texto);
}
.formulario input:focus, .formulario textarea:focus, .formulario select:focus { outline: 3px solid #bcd7fb; border-color: var(--azul-2); }
.formulario textarea { min-height: 150px; resize: vertical; }
.formulario .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .92rem; color: var(--suave); }
.formulario .check input { margin-top: 5px; }
.formulario .trampa { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.aviso { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; }
.aviso.ok { background: #e4f6ea; color: #14532d; border: 1px solid #a7e0b9; }
.aviso.error { background: #fdeaea; color: #7f1d1d; border: 1px solid #f3b4b4; }

/* Texto legal */
.legal { max-width: 800px; }
.legal h2 { font-size: 1.35rem; margin-top: 1.8em; }
.legal ul { padding-left: 1.2em; }

/* Pie */
.pie { background: #08182b; color: #a9b8cf; padding: 48px 0 28px; font-size: .95rem; }
.pie .rejilla { grid-template-columns: 1.4fr 1fr 1fr; margin-bottom: 28px; }
.pie h3 { color: #fff; font-size: 1rem; }
.pie a { color: #a9b8cf; text-decoration: none; }
.pie a:hover { color: #fff; text-decoration: underline; }
.pie ul { list-style: none; padding: 0; margin: 0; }
.pie li { margin-bottom: 6px; }
.pie .marca { color: #fff; margin-bottom: 10px; }
.pie .marca span em { color: var(--ambar); }
.pie .copia { border-top: 1px solid #1c2f48; padding-top: 18px; font-size: .85rem; }

@media (max-width: 900px) {
  .rejilla.c3, .rejilla.c4, .cifras { grid-template-columns: repeat(2, 1fr); }
  .dos { grid-template-columns: 1fr; gap: 28px; }
  .dos.inversa > :first-child { order: 0; }
  .pie .rejilla { grid-template-columns: 1fr; }
  .hamburguesa { display: block; }
  .menu { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 12px 16px 18px; border-bottom: 1px solid var(--borde); }
  .menu.abierto { display: flex; }
  .menu a.boton { margin: 6px 0 0; text-align: center; }
}
@media (max-width: 600px) {
  .rejilla.c2, .rejilla.c3, .rejilla.c4 { grid-template-columns: 1fr; }
  .seccion { padding: 52px 0; }
  .portada { padding-top: 56px; }
}